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is luring more energy firms including conoco phillips to the seas. booming pacific rim trade is increasing commercial shipping in these waters and less sea ice means expanding routes. the u.s. coast guard is tasked to cover an area that spans the
probably want to get your cardio in after you lift so you can save all of your energy for your weights and do it safely. >> and you shouldn't do just cardio. you brought up weights. >> yes. >> you should incorporate weights as well. >> yes. strength training is incredibly important. women who avoid it, they need to stick with the weights. the weight bearing activity helps prevent osteoporosis and then there is a recommendation that you do three days per week, nonconsecutive days, about eight to ten total body exercises. >> women always ask me, lightweights or heavyweights? what should die? either one works. >> whatever you want to do. if you want to build muscle go heavier. if you're just trying to maintain go lighter. >> okay. for people who have more than a few pounds to lose who are obese, morbidly obese, what should they do? how much should they be doing? >> the new studies coming out show overweight or obese people need to do cardio. however, it is possible to get both by doing circuit training. you can do maybe eight to ten exercises, pushups, jumping jacks, sit-ups, for 30 secon
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